Lesson 1Overview of CNC Milling Centre: Spindle, Axes, Table, Tool Changer, Enclosure, and Conveyor SetupThis part introduces the CNC milling centre as a full system, linking the spindle, axes, table, automatic tool changer, enclosure, and conveyors. It stresses how parts connect, the workflow, and simple checks during servicing.
Main frame groups and castingsSpindle, axes, and table linksTool changer spot and movement routesEnclosure, doors, and chip holdingConveyor paths and chip removalWalk-around check and starting pointsLesson 2Lubrication and Coolant Systems: Central Pumps, Lines, Nozzles, Coolant Filters, Tramp Oil and Sump CareThis part explains lubrication and coolant systems, covering pumps, measuring devices, lines, nozzles, filters, and sump handling. It connects fluid state to precision, part lifespan, and environmental rules.
Central lube pumps and measuring unitsWay lube lines and leak spotsCoolant nozzles, flow, and chip clearingFilters, screens, and bag typesTramp oil removal and mix testsSump cleaning, waste handling, and recordsLesson 3Conveyor and Side Equipment Links: Auto Part Handling, Sensors, Motor Rollers, Timing, and Safety BarriersThis part looks at conveyors and side devices for chip and part moving. It includes motors, sensors, timing, barriers, and links to CNC controls for steady, safe, and easy-to-maintain work.
Chip conveyor kinds and drive choicesPart handling tools and release devicesConveyor sensors, blocks, and level switchesTiming with CNC runs and M-codesSafety barriers, locks, and signsRegular cleaning and wear checksLesson 4Linear Movement and Axis Parts: Ball Screws, Linear Guides, Encoders, Backlash and Preload IdeasThis part details axis mechanics, including ball screws, linear guides, and encoders. It covers backlash, preload, and alignment ideas, and how they impact precision, strength, and machine dependability over time.
Axis movement chain and load routesBall screw build and support bearingsLinear guide kinds, sizes, and oilingEncoder fitting, detail level, and feedbackBacklash measuring and fixingPreload, strength, and heat growth effectsLesson 5Automatic Tool Changer (ATC) and Magazine Mechanics: Grippers, Selectors, Sensors, DiagnosticsThis part explains ATC and magazine build, including grippers, carousels, sensors, and drives. It covers alignment, tool info handling, diagnostics, and regular upkeep to prevent wrong loads and crashes.
ATC setups: carousel, chain, drum kindsGrippers, pots, and tool hold checksMagazine indexing drives and home spotTool presence, position, and angle sensorsATC change steps and locksCommon ATC problems and check routinesLesson 6Detailed Spindle and Drive System Parts: Bearings, Motor Types (Servo/Variable Frequency), Belts, CouplingsThis part focuses on spindle and drive parts, including bearings, motors, belts, and couplings. It explains speed control, shake sources, oil needs, and upkeep practices to lengthen spindle life.
Spindle cartridge setup and cooling routesBearing kinds, preload, and failure waysServo and induction spindle motor choicesBelts, pulleys, and tension fixesCouplings, keys, and alignment checksShake, noise, and heat watchingLesson 7Sensors and Safety Parts: Limit/Home Switches, Interlocks, E-stops, Vibration and Temperature SensorsThis part covers sensors and safety parts, including limit and home switches, door interlocks, E-stops, and condition sensors. It stresses testing, wire checks, and records to keep safe running.
Limit and home switch spotsDoor and guard interlock rulesEmergency stop circuits and reset testsVibration and temperature watch usesSafety relays, circuits, and rulesRegular safety check stepsLesson 8Electrical and Control Parts: Power Sharing, Drives, Servo Amplifiers, PLC, CNC Controller, HMIs and IO MappingThis part covers electrical power sharing, servo drives, amplifiers, PLC, CNC controller, HMI, and I/O mapping. It links drawings to real hardware, stressing fault-finding, grounding, and safe measuring practices.
Main power sharing and protectionServo drives, amplifiers, and motor cablesPLC roles, I/O modules, and field wiringCNC controller setup and settingsHMI screens, alarms, and diagnosticsI/O mapping, signal tracing, and testing
